We have determined that AWS:IAM-014 did not function properly because AWS disabled one of their API methods. AWS has since re-enable the API method. We will re-enable AWS:IAM-014 on 5/31/18.
Posted 5 days ago. May 17, 2018 - 13:29 PDT
We have found an issue with AWS:IAM-014 generating rate limit exceeded exceptions. The signature has been temporarily disabled for the time being. We will provide updates as we gather more information.